Direct measurement of Ne-Mg-Si nuclei in cosmic rays with DAMPE
July 25, 2023
A precise measurement of the cosmic-ray spectra provides important information on their origin, acceleration and propagation processes in the Galaxy. The Dark Matter Particle Explorer (DAMPE) is a satellite-based cosmic-ray experiment that has been operational for more than 7 years. Since its launch in December 2015, it is continuously collecting data on high-energy cosmic particles with very good statistics and particle identification capabilities, thanks to a large geometric factor and a good charge resolution. In this contribution, the direct measurement of the intermediate mass cosmic rays is presented, in particular the observation of the cosmic-ray Ne, Mg and Si nuclei, which are thought to be mainly produced and accelerated in astrophysical sources.
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